75pcs Thread Repair Kit Metric HSS Drill Helicoil Stripped Damaged Thread Restore Tool Set Automotive Tools Thread Metric Inserts & Repair Kits M5-M8

Features:
Including 3 set of repair kit, each set has its own storage case.
Each set including a twist drill, a screw tap, a breaking pin tool, a installation tool, a hex key, 20pcs wire thread inserts,
Perfect for restoring damaged and stripped threads in the iron, aluminum, steel, etc.
Solid high speed steel material, good quality and durable.
Simple and straight forward to use, suitable for auto repairing.